Mr. Tomoki Matsubara Profile

Tomoki Matsubara

at NHK Science & Technical Research Labs

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Author

Publications (5)

Proceedings Article | 21 February 2020 Presentation + Paper

A proposal of sensor-based phase detection method in 3-CMOS 8K 240-fps imaging

Kodai Kikuchi, Toshio Yasue, Ryohei Funatsu, Kohei Tomioka, Tomoki Matsubara, Takayuki Yamashita

Proceedings Volume 11305, 113050V (2020) https://doi.org/10.1117/12.2545672

KEYWORDS: Sensors, RGB color model, Cameras, Imaging systems, Image sensors, Prototyping, Prisms, Optical filters, Color imaging, CMOS sensors

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Proceedings Article | 6 September 2019 Paper

Flicker reduction method for 120 fps shooting under 100 Hz light fluctuation by using a double rolling shutter

Kohei Tomioka, Toshio Yasue, Ryohei Funatsu, Kodai Kikuchi, Kazuya Kitamura, Yuichi Kusakabe, Tomoki Matsubara

Proceedings Volume 11137, 111370V (2019) https://doi.org/10.1117/12.2527961

KEYWORDS: Signal processing, Camera shutters, Video, Cameras, Modulation transfer functions, Light sources, Imaging systems, Image sensors, Light, Signal generators

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Proceedings Article | 26 January 2010 Paper

Development of FOP-HARP imaging device

Kazunori Miyakawa, Yuji Ohkawa, Tomoki Matsubara, Kenji Kikuchi, Siro Suzuki, Kenkichi Tanioka, Misao Kubota, Norifumi Egami, Takuji Atsumi, Shonosuke Matsushita, Taisuke Konishi, Yuzuru Sakakibara, Kazuyuki Hyodo, Yoshimasa Katori, Yoshiaki Okamoto

Proceedings Volume 7536, 753604 (2010) https://doi.org/10.1117/12.838424

KEYWORDS: Cameras, Glasses, Synchrotron radiation, Polishing, Near infrared, Imaging systems, Prototyping, Surface finishing, Image intensifiers, X-rays

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Proceedings Article | 21 February 2007 Paper

Improvement in photoelectric conversion efficiency of red light in HARP film

Tomoki Matsubara, Yuji Ohkawa, Kazunori Miyakawa, Shirou Suzuki, Misao Kubota, Norifumi Egami, Kenkichi Tanioka, Kouichi Ogusu, Akira Kobayashi, Tadaaki Hirai, Toshiaki Kawai

Proceedings Volume 6501, 650108 (2007) https://doi.org/10.1117/12.703066

KEYWORDS: Tellurium, Cameras, Signal to noise ratio, Electrons, Reliability, Interference (communication), Image enhancement, Color reproduction, Electrodes, Absorption

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Proceedings Article | 7 March 2005 Paper

Ultrahigh-sensitivity HDTV new super-HARP camera

Kazunori Miyakawa, Yuji Ohkawa, Tomoki Matsubara, Tamotsu Takahata, Shiro Suzuki, Misao Kubota, Norifumi Egami, Kenkichi Tanioka, Kouichi Ogusu, Akira Kobayashi, Tadaaki Hirai, Toshiaki Kawai, Masanori Hombo, Tetsuo Yoshida

Proceedings Volume 5677, (2005) https://doi.org/10.1117/12.585434

KEYWORDS: Cameras, Surgery, CCD cameras, Resistance, Reliability, Medicine, Temperature metrology, Video, Arsenic, Digital signal processing

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